Fig. 2From: aRNAque: an evolutionary algorithm for inverse pseudoknotted RNA folding inspired by Lévy flightsTypes of pseudoknots accommodated by aRNAque. a Hairpin (H-type) pseudoknot. b Bulge (B-type) pseudoknot. c Complex hairpin (cH-type) pseudoknot. d Kissing hairpin (K-type) pseudoknot. The B-type and cH-type are all complex form of H-type. The pseudoknot interactions are highlighted in redBack to article page